20002222121102 has 16 divisors (see below), whose sum is σ = 32998755972672. Its totient is φ = 9035373658080.

The previous prime is 20002222121093. The next prime is 20002222121159. The reversal of 20002222121102 is 20112122220002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8184214049 + ... + 8184216492.

It is an arithmetic number, because the mean of its divisors is an integer number (2062422248292).

Almost surely, 2^{20002222121102} is an apocalyptic number.

20002222121102 is a deficient number, since it is larger than the sum of its proper divisors (12996533851570).

20002222121102 is a wasteful number, since it uses less digits than its factorization.

20002222121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16368430603.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20002222121102 its reverse (20112122220002), we get a palindrome (40114344341104).

The spelling of 20002222121102 in words is "twenty trillion, two billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred two".